Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens This high-magnification zoom lens is the smallest and lightest in its class, offering ideal cost-performance.A lightweight glass material was used for the first element group – the heaviest group in the optical system – to reduce operational load during autofocus operation.
https://www.amazon.com/Canon-75-300mm-4-5-6-Telephoto-Cameras/dp/B00004THD0

